<?xml version="1.0"?>
<!-- $Id: sh.xml,v 1.2 2007/06/14 00:15:50 ssttoo Exp $ -->

<highlight lang="sh" case = "yes">

  <authors>
    <author name="Noah Spurrier" email="noah@noah.org" />
  </authors>

  <comment>This highlighter is EXPERIMENTAL. It may work incorrectly.
      It is a crude hack of the perl syntax, which itself wasn't so good.
      But this seems to work OK.
  </comment>

  <default innerClass="code"/>

  <block name="interpreter" match="/^(#!)(.*)/m" innerClass="special">
   <partClass index="1" innerClass="special" />
   <partClass index="2" innerClass="string" />
  </block>

  <!--
  brackets
  -->
  <region name="block" delimClass="brackets" innerClass="code" start="\{" end="\}">
    <contains all="yes"/>
  </region>

  <region name="brackets" delimClass="brackets" innerClass="code" start="\(" end="\)">
    <contains all="yes"/>
  </region>

  <region name="sqbrackets" delimClass="brackets" innerClass="code" start="\[" end="\]">
    <contains all="yes"/>
  </region>

  <!--
  use smth
  -->
  <block name="usestatement" match="(use)\s+([\w:]*)" innerClass="special">
   <partClass index="1" innerClass="reserved" />
   <partClass index="2" innerClass="special" />
  </block>


  <region name="q-w-q-statement"
    start="/\b(q[wq]\s*((\{)|(\()|(\[)|(\&lt;)|([\W\S])))(?=(.*)((?(3)\})(?(4)\))(?(5)\])(?(6)\&gt;)(?(7)\7)))/Us"
    end="%b2%"
    innerClass="string" delimClass="quotes" remember="yes">

    <contains block="containedvar"/>
    <contains block="specialvar"/>
    <contains block="curlyvar"/>

  </region>

  <region name="qstatement"
    start="/\b(q\s*((\{)|(\()|(\[)|(\&lt;)|([\W\S])))(?=(.*)((?(3)\})(?(4)\))(?(5)\])(?(6)\&gt;)(?(7)\7)))/Us"
    end="%b2%"
    innerClass="string" delimClass="quotes" remember="yes">

  </region>

  <!--
  comments
  -->
  <block name="comment" match="#.*" innerClass="comment" />


  <!--
  regexpr
  FIXME: this should be rewritten
  -->
  <block name="dblregexprver1" match="/(s|tr) ([|#~`!@$%^&amp;*-+=\\;:'&quot;,.\/?])  ((\\.|[^\\])*?) (\2)((\\.|[^\\])*?)(\2[ecgimosx]*)/x" innerClass="string">
   <partClass index="1" innerClass="quotes" />
   <partClass index="2" innerClass="quotes" />
   <partClass index="3" innerClass="string" />
   <partClass index="5" innerClass="quotes" />
   <partClass index="6" innerClass="string" />
   <partClass index="8" innerClass="quotes" />
  </block>

  <block name="dblregexprver2" match="/(m) ([|#~`!@$%^&amp;*-+=\\;:'&quot;,.\/?])  ((\\.|[^\\])*?) (\2[ecgimosx]*)/x" innerClass="string">
   <partClass index="1" innerClass="quotes" />
   <partClass index="2" innerClass="quotes" />
   <partClass index="3" innerClass="string" />
   <partClass index="5" innerClass="quotes" />
  </block>


  <region name="regexp" start=" \/" end="\/[cgimosx]*" innerClass="string" delimClass="quotes" case="yes">
    <contains block="reescaped"/>
  </region>

  <block name="reescaped" match="\\\/" innerClass="string" contained="yes">
    <onlyin region="regexp"/>
  </block>

  <!--
  variables
  FIXME: @{...}
  -->
  <block name="bracketsvars" match="([a-z1-9_]+)(\s*=>)" innerClass="string" contained="yes" case="no">
    <partClass index="1" innerClass="string" />
    <partClass index="2" innerClass="code" />
    <onlyin region="brackets"/>
  </block>

  <block name="specialvar" match="\$#?[1-9'`@!]" innerClass="var"/>

  <block name="var" match="(\$#?|[@%*])([a-z1-9_]+::)*([a-z1-9_]+|\^(?-i)[A-Z]?(?i))" innerClass="var" case="no"/>
  <block name="containedvar" match="\$([a-z1-9_]+|\^(?-i)[A-Z]?(?i))" innerClass="var" case="no"/>

  <block name="classvar" match="(\{)([a-z1-9]+)(\})" innerClass="var" case="no">
   <partClass index="1" innerClass="brackets" />
   <partClass index="2" innerClass="var" />
   <partClass index="3" innerClass="brackets" />
  </block>

  <block name="curlyvar" match="[\$@%]#?\{[a-z1-9]+\}" innerClass="var" case="no"/>

  <!--
  quotes
  -->
  <region name="exec" delimClass="quotes" innerClass="string" start="`" end="`">
    <contains block="containedvar"/>
    <contains block="specialvar"/>
    <contains block="curlyvar"/>
  </region>

  <region name="strsingle" delimClass="quotes" innerClass="string" start="'" end="'"/>

  <block name="escaped" match="\\\\|\\&quot;|\\'|\\`" innerClass="special" contained="yes">
    <onlyin region="qstatement"/>
    <onlyin region="strsingle"/>
    <onlyin region="exec"/>
  </block>

  <region name="strdouble" delimClass="quotes" innerClass="string" start="&quot;" end="&quot;">
    <contains block="containedvar"/>
    <contains block="specialvar"/>
    <contains block="curlyvar"/>
  </region>

  <block name="descaped" match="\\[\\&quot;'`tnr\$\{@]" innerClass="special" contained="yes">
    <onlyin region="strdouble"/>
    <onlyin region="q-w-q-statement"/>
  </block>

  <!-- logical op.
  <block name="logic" match="\|\||&amp;&amp;" innerClass="reserved" contained="yes"/>-->

  <!--
  identifiers
  -->
  <block name="identifier" match="[a-z_]\w*" innerClass="identifier" case="no"/>

  <!--
  numbers
  -->
  <block name="number" match="\d*\.?\d+" innerClass="number"/>

  <!--
  GNU and posix standard shell utilities here.
  -->
  <keywords name="reserved" inherits="identifier" innerClass="reserved" case = "yes">
      <keyword match="cd"/>
      <keyword match="cp"/>
      <keyword match="rm"/>
      <keyword match="echo"/>
      <keyword match="printf"/>
      <keyword match="exit"/>
      <keyword match="cut"/>
      <keyword match="join"/>
      <keyword match="comm"/>
      <keyword match="fmt"/>
      <keyword match="grep"/>
      <keyword match="egrep"/>
      <keyword match="fgrep"/>
      <keyword match="sed"/>
      <keyword match="awk"/>
      <keyword match="yes"/>
      <keyword match="false"/>
      <keyword match="true"/>
      <keyword match="test"/>
      <keyword match="expr"/>
      <keyword match="tee"/>
      <keyword match="basename"/>
      <keyword match="dirname"/>
      <keyword match="pathchk"/>
      <keyword match="pwd"/>
      <keyword match="stty"/>
      <keyword match="tty"/>
      <keyword match="env"/>
      <keyword match="printenv"/>
      <keyword match="id"/>
      <keyword match="logname"/>
      <keyword match="whoami"/>
      <keyword match="groups"/>
      <keyword match="users"/>
      <keyword match="who"/>
      <keyword match="date"/>
      <keyword match="uname"/>
      <keyword match="hostname"/>
      <keyword match="chroot"/>
      <keyword match="nice"/>
      <keyword match="nohup"/>
      <keyword match="sleep"/>
      <keyword match="factor"/>
      <keyword match="seq"/>
      <keyword match="getopt"/>
      <keyword match="getopts"/>
      <keyword match="options"/>
      <keyword match="shift"/>
  </keywords>

  <keywords name="flowcontrol" inherits="identifier" innerClass="reserved" case = "yes">
      <keyword match="if"/>
      <keyword match="fi"/>
      <keyword match="then"/>
      <keyword match="else"/>
      <keyword match="elif"/>
      <keyword match="case"/>
      <keyword match="esac"/>
      <keyword match="while"/>
      <keyword match="done"/>
      <keyword match="for"/>
      <keyword match="in"/>
      <keyword match="function"/>
      <keyword match="until"/>
      <keyword match="do"/>
      <keyword match="select"/>
      <keyword match="time"/>
      <!--
      <keyword match="[["/>
      <keyword match="]]"/>
      -->
      <keyword match="read"/>
      <keyword match="set"/>
  </keywords>

</highlight>
